Sony Xperia Z3+ (E6553) vs Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Side by side comparison between Sony Xperia Z3+ vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
20.7
MP
MP
5mp
3GB
RAM
RAM
Octa-core
2930
mAh
mAh
(Non removable)
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998N 256GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
4 Advantages 
27 Advantages | 21 Common items in both devices |
| Aluminum frame, glass front/back |
| 16 million |
| LED flash |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| +14 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Model | Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) |
| Other model names | Sony Xperia Z3 Plus (Single-sim), Sony Z3+ E6553 | 갤럭시 S21 Ultra 5G (SM-G998N Single-SIM) |
| Country or region available | feature not registered |  South Korea |
| Brand | Sony | Samsung |
| Release date | 6/11/2015 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 7 millimeters (0.28 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 72 x 146 millimeters (2.83 x 5.75 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 144 grams (5.04 ounces) | 227 grams (7.95 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 5.2" inches | 6.8" inches |
| Screen-to-body ratio | ~70.9% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 424 PPI | 516 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| System version | Android 5.0.2 Lollipop | Android 11 |
| Firmware update | Android 7.0 Nougat | Android 14 |
| User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 810 MSM8994 (20nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 430 | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| RAM memory | 3GB LPDDR4 | 12GB LPDDR5 |
| Internal storage | 32GB (22GB available) | 256GB (220GB available) UFS 3.1 |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28) TD-LTE (Bands 40) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Back camera (main camera) | 20.7 megapixels | (quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video |
| Main camera resolution | 5248x3936 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | 25mm lens | 26mm lens |
| Sensor size | 1/2.3" inches | 1/1.33" inches |
| Pixel size | feature not registered | 1.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Front camera (secondary) | 5 megapixels | 40 megapixels |
| Front camera resolution | 2592x1944 pixels | 7296x5472 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Micro-B USB MHL-3 | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2930 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | 590 hours (24.6 days) | feature not registered |
➕ Other features | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Black, Copper, Aqua Green • Oleophobic coating • Sony Triluminos display • S-Force Surround sound • PS4 Remote Play • WiFi Miracast, direct, hotspot • Qi Wireless Charging (60% in 30min) | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| Sony Xperia Z3+ (E6553) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.489W/kg (head), 1.1W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |